Watchful waiting is a form of symptom-guided treatment. The aim is to check your health regularly and start further treatment only when symptoms appear. This is part of a palliative care approach. Your doctor may recommend watchful waiting if you have no symptoms, and have a high level of prostate-specific antigen (PSA) in the blood that increases quickly. Watchful waiting can be a treatment option if you are unfit for other types of treatment, or if you choose watchful waiting over other treatments because of your preferences and values. Discuss with your doctor what is best for you in your individual situation.